IDY10220 SECURITE High Seas Forecast for Western METAREA 10 12S TO 30S BETWEEN 90E AND 125E, AND 30S TO 50S BETWEEN 80E AND 129E Issued by the Australian Government Bureau of Meteorology For 24 hours commencing 2300 UTC 19 July 2026 Part 1 Warnings Refer to latest warnings for boundary of affected area and type of weather system. Melbourne Gale Warning 2. Melbourne Gale Warning 10. Part 2 Situation at 191800 UTC Cold front [1] near 36S103E 44S114E 50S116E. Forecast cold front [1] near 36S113E 43S124E 50S132E at 200900UTC, and east of area near 38S125E 50S139E at 210000UTC. Cold front [2] developing near 47S098E 50S101E. Forecast cold front [2] near 43S122E 47S126E 50S125E at 210000UTC. Warm front entering area near 42S084E 44S079E. Forecast warm front near 43S102E 46S092E 47S080E at 210000UTC. Forecast cold front [3] approaching area near 35S075E 43S078E at 210000UTC. Part 3 Forecast Refer to latest warnings for details of the area affected. West of line 17S101E 23S115E: Southeasterly quarter winds 20/30 knots. Rough seas. Low to moderate swell. South of line 34S080E 43S097E 36S112E 39S129E, outside warning areas: Westerly quarter winds shifting northwesterly quarter within 360nm east of cold front [1] and within 240nm east of cold front [2], tending southwesterly quarter within 1020nm west of cold front [2], shifting northerly quarter north of warm front, and shifting easterly quarter south of warm front. Wind speeds 20/33 knots. Rough to very rough seas. Moderate to heavy swell. Remainder: Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell. Rain areas, scattered showers and isolated thunderstorms mostly within 240nm of fronts and within 300nm of line 13S090E 22S112E. Visibility reducing below 2nm in precipitation. Please be aware Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height. WEATHER MELBOURNE The next routine forecast will be issued at 09:00 UTC Monday.